Al-Mashun Grand Mosque

Al-Mashun Grand Mosque is a historic mosque located in Medan Maimun, Medan, North Sumatra, Indonesia. Built between 1906 and 1909 by Sultan Ma'mun Al Rashid Perkasa Alam of the Deli Sultanate, it is one of Medan's most iconic landmarks. The mosque is notable for its distinctive architecture blending Moorish, Mughal, Spanish and Malay styles, its octagonal layout, and its status as a symbol of the city's Islamic heritage.

Visitors can expect a large octagonal mosque with striking striped arches, domes, and minarets blending Moorish, Mughal and Spanish influences. The interior features marble floors, stained-glass windows, chandeliers and a spacious prayer hall. The mosque is located in central Medan near Maimun Palace, surrounded by an open courtyard. Visitors can explore the exterior, courtyard and main prayer hall outside prayer times, observe architectural details and learn about Deli Sultanate history.

Commissioned by Sultan Ma'mun Al Rashid Perkasa Alam Shah, the ninth Sultan of Deli, construction began on 21 August 1906 and was completed on 10 September 1909. Designed by Dutch architect J.A. Tingdeman, the mosque was built at a cost of one million Dutch guilders and inaugurated in 1909. It served as the principal mosque of the Deli Sultanate and remains a historic symbol of the sultanate's influence in Medan.

The mosque is a major Islamic religious centre for Medan and a cultural landmark representing Malay-Deli heritage. Its architecture reflects the multicultural influences of the Deli Sultanate period and it continues to function as an active place of worship and community gathering, located in close proximity to Maimun Palace as part of the historic royal complex.